http://wiki.merbivore.com/ 2010-08-19T21:57:24-07:00 FeedCreator 1.7.2-ppt DokuWiki 2008-11-30T19:56:24-07:00 2008-11-30T19:56:24-07:00 http://wiki.merbivore.com/howto/cache/etag?rev=1228103784&do=diff

Check how this feature is implemented in merb-core (lib/merb-core/controller/mixins/conditional_get.rb) Caching is tricky but here is a great read about HTTP caching, more precisely “reverse proxy caches”. Basically the concept is to let the HTTP gateway cache know when a piece of content was modified so it can serve it without going through the entire stack. At least that's the theory.